About Celsia

Celsia is a U.S. corporate manufacturer specializing in custom two-phase heat sink solutions, including heat pipes, vapor chambers, thermosiphons, and phase change materials. Our design, prototyping, and production processes are optimized for small-to-mid volume custom thermal solutions, with a strong focus on rapid response, design efficiency, and high-quality execution.

Industry-Leading Two-Phase Expertise

With thousands of successful thermal solutions delivered, we excel in application-specific heat pipe and heat sink design, ensuring optimal performance and manufacturability. Our approach includes:

• Iterative Thermal Modeling & CFD Simulation – Optimizing designs before prototyping.
• Testing Prototypes – Ensuring performance, durability, and efficiency meet customer requirements.
• Custom Two-Phase Engineering – Tailoring materials, wick structures, and fluid configurations for specific applications.

Innovation & Intellectual Property

Celsia holds 30+ patents in two-phase cooling, including:

• Low-Cost, One-Piece Vapor Chambers – Simplifying manufacturability.
• Self-Adjusting Two-Phase Devices – Accommodating PCB and component variations.
• Machined Two-Phase Vapor Blocks – Efficiently managing heat from multiple sources.

Collaborative Design & Engineering Support

Our engineers work closely with customers from concept to production, offering:

• Flexible Engineering Resources – Rapid design consultations and simulations.
• Application-Specific SWaP-C Optimization – Balancing size, weight, power, and cost for each project.
• CFD Modeling & Validation – Supporting both in-house and customer-driven simulations.

Quality-Driven Manufacturing & Testing

We maintain strict quality control from raw material selection to final production, ensuring long-term reliability. Key processes include:

• Raw Material Testing – Copper, powdered metal, and fluids undergo purity validation.
• First Article & Mass Production Testing – Thermal resistance, thermal cycling, high-temperature exposure, humidity testing, helium leak detection, burn-in validation, and other testing per customer requirements.
• Compliance & Certification – ISO-certified, ITAR-compliant, and adhering to MIL-STD-810, RoHS, and REACH standards.

Agile & Customer-Focused Approach

Celsia’s cross-functional approach ensures efficiency and precision in custom, low-to-mid volume thermal solutions. Our engineering, production, and quality control (QC) teams work in parallel, aligning design intent, manufacturability, and performance from the outset.

• Integrated Collaboration – Engineering, production, and QC teams minimize delays and reduce late-stage revisions.
• Flexible & Scalable Manufacturing – Rapid design modifications, material adjustments, and streamlined validation ensure efficiency.
• Optimized Thermal Solutions – Designed to adapt to evolving customer needs and complex application challenges.

From early collaboration to rigorous testing, Celsia delivers high-quality, reliable cooling solutions. Contact us today to discuss your next project.